/*
 * Copyright (C) 2024 Xiaomi Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

typedef unsigned int sem_t;

/* Semaphore APIs */

sem_t*
sem_open(const char* name, int oflag, int mode, int val);

int sem_wait(sem_t* sem);

int sem_trywait(sem_t* sem);

int sem_post(sem_t* sem);

int sem_getvalue(sem_t* restrict sem, int* sval);

int sem_unlink(const char* name);

int sem_close(sem_t* sem);

#ifdef __cplusplus
}
#endif
